DNA Marker Index information for Chromosome: Y Marker: L143Names and Aliases for this DNA Marker: L143, DYS643-null, rs1030966993.Chromosome Position in hg38 Human Genome assembly1: 15314237.Chromosome Position in hg19 assembly2: 17426117 .Ancestral marker allele value: G.Derived, alternative, or mutated marker allele value: T.